Which Vascular Structure Is Used as a Landmark in Locating

question 8

Multiple Choice

Which vascular structure is used as a landmark in locating the celiac trunk?

• A) Common bile duct
• B) Common hepatic artery
• C) Superior mesenteric artery
• D) Gastroduodenal artery

---

Definitions:

Darwin's Mechanism

A theory proposed by Charles Darwin that describes the process of natural selection as the mechanism by which evolution takes place.

Modern Synthesis Theory

A framework that merges Darwinian evolution with Mendelian genetics, explaining how evolutionary processes like natural selection act on genetic variation.

Amino Acid Substitutions

Changes in the protein sequence where one amino acid is replaced by another, potentially altering protein function or stability.

Biogeography

The study of the distribution of species and ecosystems in geographic space and through geological time, including the factors that influence these distributions.